Home / 6,900.16-10,318.44-5,124.57

Finding the Fourth Proportional to 6,900.16, 10,318.44 and 5,124.57

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Solution

The fourth proportional to 6,900.16, 10,318.44 and 5,124.57 is: 7,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.16 : 10,318.44 = 5,124.57 : x
  2. Step 2: Convert to fraction form
    6,900.16/10,318.44 = 5,124.57/x
  3. Step 3: Cross multiply
    6,900.16x = 10,318.44 × 5,124.57
  4. Step 4: Simplify right side
    6,900.16x = 52,877,568.07
  5. Step 5: Solve for x
    x = 52,877,568.07/6,900.16
  6. Step 6: Final answer
    x = 7,663.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.